Jaeger-LeCoultre ESTABLISHED IN: 1933 PRICE: €500 – €300,000 Most famous for their innovations which uses slight variations in the temperature or atmospheric variations to extract energy which then powers their top of range watches. INTERESTING STORY It has a very unique three dimensional movement – Gyrotourbillon, that is normally exposed on the face of their watches. To get the idea, here is a video worth watching. Most famous innovations: three dimensional spherical Gyrotourbillon, Attos technology, power reserve indicator, cylindrical hairspring in wristwatch.